mirror of
https://github.com/geometer/FBReaderJ.git
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117 lines
3.3 KiB
Java
117 lines
3.3 KiB
Java
/*
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* Copyright (C) 2007-2014 Geometer Plus <contact@geometerplus.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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package org.geometerplus.fbreader.formats;
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import java.util.*;
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import org.geometerplus.zlibrary.core.filesystem.ZLFile;
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import org.geometerplus.zlibrary.core.filetypes.*;
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import org.geometerplus.fbreader.formats.fb2.FB2Plugin;
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import org.geometerplus.fbreader.formats.oeb.OEBPlugin;
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import org.geometerplus.fbreader.formats.pdb.MobipocketPlugin;
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public class PluginCollection {
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static {
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System.loadLibrary("NativeFormats-v4");
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}
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private static PluginCollection ourInstance;
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private final Map<FormatPlugin.Type,List<FormatPlugin>> myPlugins =
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new HashMap<FormatPlugin.Type,List<FormatPlugin>>();
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public static PluginCollection Instance() {
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if (ourInstance == null) {
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ourInstance = new PluginCollection();
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// This code can not be moved to constructor because nativePlugins() is a native method
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for (NativeFormatPlugin p : ourInstance.nativePlugins()) {
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ourInstance.addPlugin(p);
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System.err.println("native plugin: " + p);
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}
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}
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return ourInstance;
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}
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public static void deleteInstance() {
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if (ourInstance != null) {
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ourInstance = null;
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}
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}
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private PluginCollection() {
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addPlugin(new FB2Plugin());
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addPlugin(new MobipocketPlugin());
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addPlugin(new OEBPlugin());
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}
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private void addPlugin(FormatPlugin plugin) {
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final FormatPlugin.Type type = plugin.type();
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List<FormatPlugin> list = myPlugins.get(type);
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if (list == null) {
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list = new ArrayList<FormatPlugin>();
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myPlugins.put(type, list);
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}
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list.add(plugin);
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}
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public FormatPlugin getPlugin(ZLFile file) {
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return getPlugin(file, FormatPlugin.Type.ANY);
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}
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public FormatPlugin getPlugin(ZLFile file, FormatPlugin.Type formatType) {
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final FileType fileType = FileTypeCollection.Instance.typeForFile(file);
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return getPlugin(fileType, formatType);
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}
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public FormatPlugin getPlugin(FileType fileType, FormatPlugin.Type formatType) {
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if (fileType == null) {
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return null;
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}
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if (formatType == FormatPlugin.Type.ANY) {
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FormatPlugin p = getPlugin(fileType, FormatPlugin.Type.NATIVE);
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if (p == null) {
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p = getPlugin(fileType, FormatPlugin.Type.JAVA);
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}
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return p;
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} else {
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final List<FormatPlugin> list = myPlugins.get(formatType);
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if (list == null) {
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return null;
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}
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for (FormatPlugin p : list) {
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if (fileType.Id.equalsIgnoreCase(p.supportedFileType())) {
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return p;
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}
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}
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return null;
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}
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}
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private native NativeFormatPlugin[] nativePlugins();
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private native void free();
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protected void finalize() throws Throwable {
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free();
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super.finalize();
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}
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}
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